a fifth wheel

  • 1Fifth wheel (disambiguation) — Fifth wheel may refer to: *a type of semi trailer truck * The 5th Wheel , an American reality dating show *Fifth wheel coupling, a device that provides a link between the trailer and a truck (or a tractor unit) * The Fifth Wheel , a 1918 film… …

    Wikipedia

  • 2Fifth wheel — Wheel Wheel (hw[=e]l), n. [OE. wheel, hweol, AS. hwe[ o]l, hweogul, hweowol; akin to D. wiel, Icel. hv[=e]l, Gr. ky klos, Skr. cakra; cf. Icel. hj[=o]l, Dan. hiul, Sw. hjul. [root]218. Cf. {Cycle}, {Cyclopedia}.] [1913 Webster] 1. A circular… …

    The Collaborative International Dictionary of English

  • 3Fifth wheel — Fifth Fifth, a. [OE. fifte, fifthe, AS. f[=i]fta. See {Five}.] 1. Next in order after the fourth; the ordinal of five. [1913 Webster] 2. Consisting of one of five equal divisions of a thing. [1913 Webster] {Fifth monarchy men} (Hist.), a… …

    The Collaborative International Dictionary of English

  • 4fifth wheel — (USA) A fifth wheel is something unnecessary or useless …

    The small dictionary of idiomes

  • 5fifth wheel — in a carriage which prevents tipping; spare wheel; something or someone that is unnecessary and burdensome …

    English contemporary dictionary

  • 6fifth wheel — n. 1. a) a horizontal wheel like structure placed over the front axle of a carriage or wagon to support it on turns ☆ b) a similar structure on the rear of the cab of a tractor trailer, serving as a coupling for attaching the trailer 2. an… …

    English World dictionary

  • 7fifth-wheel trailer — /fifth hweel , weel / or, often, /fith /. See under fifth wheel. (def. 3). * * * …

    Universalium

  • 8fifth-wheel trailer — /fifth hweel , weel / or, often, /fith /. See under fifth wheel. (def. 3) …

    Useful english dictionary

  • 9fifth wheel — fifth′ wheel′ n. 1) trs a horizontal ring or segment of a ring, consisting of two bands that slide on each other, placed above the front axle of a carriage and designed to support the forepart of the body while allowing it to turn freely in a… …

    From formal English to slang

  • 10fifth wheel — noun 1. someone or something that is unwanted and unneeded • Syn: ↑deadwood • Hypernyms: ↑redundancy, ↑redundance 2. an extra car wheel and tire for a four wheel vehicle • Syn: ↑spare …

    Useful english dictionary